public async Task <ActionResult <Reading> > Post(Guid sensorId, [FromBody] ReadingRequest request)
        {
            var reading = _converter.ToReadingValue(request);
            var result  = await _services.Create(sensorId, reading);

            if (result == null)
            {
                return(NotFound("Reading does not exist"));
            }
            return(Ok(_converter.ToReadingResponse(result)));
        }